Clevite #MPY1 Plastigage, Yellow, .009 in.-.020 in./.229mm-.508mm, Range. MAHLE/Clevite Plastigauge is available in four different sizes to check total vertical oil clearance on connecting rod and main bearings. Each package has a measuring scale printed in inches and millimeters. Images show multiple pieces, prices reflect single pieces. We also carry the other plastigage sizes at any of our locations.